Listen To Taylor Swift and John Mayer’s New Song!

America’s sweetheart Taylor Swift lends her singing chops to backup John Mayer in his new single “Half of My Heart” from the upcoming album Battle Studies.

This isn’t the first time the two have hooked up. Mayer shocked the crowd at Swift’s Los Angeles concert back in May to sing “Your Body Is A Wonderland” with the 19-year-old country singer.

Check out their new tune below:

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